3.5MM CS X 29MM ID BLACK BUNA 90D

Part number H90M3.5X29 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 29 mm (1.142 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 36 mm (1.42 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs and low compression set under sustained load. The compound resists petroleum-based oils, propane and butane, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or strong acids are present.

You will find this material specified across automotive, general industrial maintenance, and agricultural equipment.

Reference part number H90M3.5X29 when ordering; the item is sold individually. Unit weight is approximately 1.2784 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.